package sms

import (
	"errors"

	"yunyan/lego/sys/log"

	"yunyan/lego/utils/mapstructure"
)

type Option func(*Options)
type Options struct {
	AppId     string
	SecretId  string
	SecretKey string
	SignName  string
	Template1 string
	Template2 string
}

func SetAppId(v string) Option {
	return func(o *Options) {
		o.AppId = v
	}
}

func SetSecretId(v string) Option {
	return func(o *Options) {
		o.SecretId = v
	}
}

func KeySecretKey(v string) Option {
	return func(o *Options) {
		o.SecretKey = v
	}
}

func SetSignName(v string) Option {
	return func(o *Options) {
		o.SignName = v
	}
}
func SetTemplate1(v string) Option {
	return func(o *Options) {
		o.Template1 = v
	}
}
func SetTemplate2(v string) Option {
	return func(o *Options) {
		o.Template2 = v
	}
}
func newOptions(config map[string]interface{}, opts ...Option) Options {
	options := Options{}
	if config != nil {
		mapstructure.Decode(config, &options)
	}
	for _, o := range opts {
		o(&options)
	}
	if options.SecretId == "" || options.SecretKey == "" {
		log.Panicf("start smsverification Missing necessary configuration : Serverhost:%s Fromemail:%s Fompasswd:%s", options.SecretId, options.SecretKey)
	}
	return options
}

func newOptionsByOption(opts ...Option) Options {
	options := Options{}
	for _, o := range opts {
		o(&options)
	}
	if options.SecretId == "" || options.SecretKey == "" {
		log.Panicf("start smsverification Missing necessary configuration : Serverhost:%s Fromemail:%s Fompasswd:%s", options.SecretId, options.SecretKey)
	}
	return options
}

// validate 校验发短信必需字段。
func (o Options) validate() error {
	if o.SecretId == "" {
		return errors.New("sms 配置缺失: SecretId 为空")
	}
	if o.SecretKey == "" {
		return errors.New("sms 配置缺失: SecretKey 为空")
	}
	return nil
}

// newOptionsChecked 与 newOptions 同构，但配置不合法时返回 error 而非 panic。
// 供运行时热重载(Reload)使用：后台一次误保存只应让本次重载失败，不该打挂线上进程。
func newOptionsChecked(config map[string]interface{}, opts ...Option) (Options, error) {
	options := Options{}
	if config != nil {
		mapstructure.Decode(config, &options)
	}
	for _, o := range opts {
		o(&options)
	}
	return options, options.validate()
}